How do u know if 3 4 7 can form a right triangle?


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A4 We can use the Pythagorean theorem and properties of sines, cosines, and tangents to solve the triangle, that is, to find unknown parts in terms of known parts. * Pythagorean theorem: a2 + b2 = c2. * Sines: sin A = a/c, sin B = b/c. * Cosines: MORE

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